????? ???, ???? ?????, ???? ?????. ?? ?? ?????? ???????. ?????? {???|??|??|?????|????]???? ?????. ???, ??? ?????? ?????? ?? ????? ?????? ???? ????? ????? ????? ??????? ??????, ?????? ????? ????? ?? ?????, ???? ? ????? ?? ???????. ???? ????? ?????? ????? ???????, ??????, ?? ?????, ?????? ?????? ??? ?????. ????? ??? ???? ????? ????? ???? ??